What status for “open”?

What status for "open"? An examination of the licensing policies of open educational organizations and projects. A Report to The William and Flora Hewlett Foundation, December 2008. "The report asks, 'What makes an educational resource 'open'? Is it enough that resources are available on the World Wide Web free of charge, or does openness require something more?' These questions have become more urgent as the open education movement has gained momentum and as potential users of open educational resources increasingly face uncertainty about whether permission is required when they translate, reuse, adapt, or simply republish the resources they find"